個案總覽

In early July of 2008, William (Bill) Jacques, Chief Investment Officer at Martingale Asset Management, a quantitative value-oriented investment manager in Boston, Massachusetts, was busy preparing for an upcoming meeting with the group that made new product decisions within the firm. The objective of the meeting was to review the backtesting and real-time investment results of a new minimum-variance strategy within the framework of a 130/30 fund. The performance results were very encouraging, but Bill still wondered if they were a fluke of the data, a result of data mining rather than the reflection of a true market anomaly. He wanted to discuss several possible explanations of the phenomenon, and to decide whether Martingale should offer the strategy to its clients.

Spreadsheet Supplement for case 209047.

In June 2003, General Motors Corp. (GM) successfully marketed the largest corporate debt offering in U.S. history, worth $17.6 billion. The offering included $13.6 billion worth of debt denominated in dollars, euros, and pounds and $4 billion dollars denominated in convertibles. GM announced that it would use the majority of these proceeds to shore up its heavily underfunded U.S.-defined pension plans. GM considered investing the entire contribution to its U.S. pension funds coming from the debt offering not in traditional investment grade bonds or stocks, but in a broad category GM called "alpha." GMAM believed this would help meet its new target annual return of 9%, reduce the probability of a negative return in any given year from 20% to 10%, and reduce the volatility of plan assets by 40%.

Spreadsheet Supplement for case 206001